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EMANON PART NO.
AN5-12A
AN5-12A is a bolt in steel comp 4140 or steel or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037, 0.312 INCHES diameter and 1.328 INCHES MINIMUM AND 1.375 INCHES MAXIMUM length.
Bolt · listed as AN5-12A Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.312 in
LENGTHMinimum 1.328 in; maximum 1.375 in
THREAD LENGTHMinimum 0.500 in; maximum 0.578 in
GRIPMinimum 0.797 in; maximum 0.828 in
THREAD
THREAD0.312-24 UNF-3A right-hand
HEAD & DRIVE
HEADC1 hexagon
HEAD HEIGHTMinimum 0.172 in; maximum 0.204 in
WIDTH ACROSS FLATS0.490–0.502 in
MATERIAL & FINISH
MATERIALSTEEL COMP 4140 OR STEEL OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037
MECHANICAL
TENSILE STRENGTH125,000 psi
HARDNESS26–32 HRC
STANDARDS & TRACEABILITY
NSN5306-00-616-2618
GOVERNING STANDARDAN5-12A
FLIS · NSN 5306-00-616-2618 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Emanon is a stocking distributor — quality-system certifications are held by the certified manufacturers we source from, not by Emanon. Every shipment carries manufacturer certifications and full lot traceability.